I don't even have a MS account much less an auth app so I'm hardly the right one to mention this but if you use it might want to take a peek at this article. It looks like passkeys will work, or you have to use Edge. Just thought some of you might be affected.
www.bleepingcomputer.com

Microsoft ends Authenticator password autofill, moves users to Edge
Microsoft has announced that it will discontinue the password storage and autofill feature in the Authenticator app starting in July and will complete the deprecation in August 2025.
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